Let X = R and T is a topology on R and defined T = {empty set} U { (a,infinity), a is in R} U {R}. Prove that there are
Posted: Mon May 09, 2022 10:40 am
Let X = R and T is a topology on R and defined T = {empty
set} U { (a,infinity), a is in R} U {R}. Prove that there are
subsets of R that are compact (every open cover has a finite
subcover) but not closed.
set} U { (a,infinity), a is in R} U {R}. Prove that there are
subsets of R that are compact (every open cover has a finite
subcover) but not closed.